Britain could be plunged into cold snap this month thanks to a blast of chilly Arctic air, according to Met Office forecasts. Despite a mild start to March for much of the country, meteorologists are now tipping a sudden stratospheric warming (SSW) event to take place over the next fortnight - marking a return to colder, wintry weather conditions for Europe, including the UK. This is because sudden changes in the stratosphere can trigger a breakdown in the polar vortex, meaning cold air that is